Pexip Infinity
CVE-2025-32096
HIGH
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessReach exposed signaling interface
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ExploitSend malformed signaling message
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ImpactTrigger software abort (DoS)
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V16 - Security Logging and Error Handling Reachable assertion handling
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| Exploitation Conditions | Exploitation requires network reachability to the Pexip Infinity signaling interface on a vulnerable version (33.0 through 37.0, i.e., any release before 37.1); the attacker sends crafted/malformed signaling input that fails input validation and triggers a software abort. Per the CVSS vector (PR:N/UI:N/AC:L) no authentication, no user interaction, and no special non-default configuration are stated as prerequisites, so default deployments with an exposed signaling endpoint are affected. The principal limiting factor is exposure: impact is confined to availability (A:H, with C:N/I:N), so the risk is service disruption of conferencing rather than compromise, and organizations that restrict signaling-interface reachability reduce the attack surface. |
| Impact | Signals are internally consistent but modest in urgency. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes a remotely reachable, low-complexity, unauthenticated condition, and the sole impact is availability (C:N/I:N/A:H), yielding 7.5 - a classic reachable-assertion DoS (CWE-617) with no confidentiality or integrity exposure. No EPSS score, SSVC decision, or KEV entry was provided, and there is no public exploit identified at time of analysis, so the evidence for real-world exploitation is absent rather than negative. The practical priority is MODERATE: easy to trigger over the network and service-disrupting for a live video-conferencing platform, but it cannot be used for code execution, data theft, or lateral movement, so it is a availability/uptime concern rather than a breach vector. The CVSS network vector is coherent with the description's reference to 'signaling,' so no vector/description conflict is present; the main missing signals are exploitation-probability data (EPSS) and any POC, which should be monitored. |
| Exploit ScenarioDerived | A remote, unauthenticated attacker sends a malformed signaling message to an internet-reachable Pexip Infinity node, hitting an improperly validated input path that triggers a software abort. The affected process crashes or restarts, dropping or preventing conferencing sessions; repeated messages can sustain the outage. No public exploit code is known, so an attacker would need to craft the malformed signaling input themselves. |
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Alert meAnalysisAIv1 – Oct 07, 2026
Denial of service in Pexip Infinity 33.0 through 37.0 can be triggered by unauthenticated remote attackers who send crafted signaling input that fails input validation and causes a software abort, taking the affected service down. The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (score 7.5) confirms network reachability is the main prerequisite and that impact is limited to availability, with no confidentiality or integrity loss. No public exploit identified at time of analysis, and deployments that expose the signaling interface to untrusted networks bear the highest risk.
RemediationAI
Upgrade Pexip Infinity to 37.1 or later; this is the vendor-released fix for CVE-2025-32096, with the vendor security bulletin at https://docs.pexip.com/admin/security_bulletins.htm providing deployment guidance. If immediate upgrade is not possible, restrict network reachability to the Pexip signaling interface to trusted sources using firewall rules, ACLs, or network segmentation; this compensating control reduces exposure but may block legitimate remote endpoints and conferencing clients, so coordinate with affected users. Monitor signaling services for unexpected process aborts or restarts as a detection measure, but do not rely on monitoring as a substitute for patching.
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Technical ContextAI · show details
Pexip Infinity is a video conferencing and collaboration platform whose signaling component processes call-control messages. The flaw is a reachable assertion (CWE-617) caused by improper input validation: malformed signaling input reaches an abort/assert path and terminates the process, producing a denial-of-service condition. The NVD CPE entry cpe:2.3:a:pexip:pexip_infinity:*:*:*:*:*:*:*:* covers the product but does not encode the version range; the vendor advisory indicates all releases from 33.0 through 37.0 before 37.1 are affected. The CVSS vector (AV:N/AC:L/PR:N/UI:N) indicates exploitation does not require authentication, user interaction, or non-default configuration once the signaling endpoint is network-reachable.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Signaling is network-reachable and unauthenticated with low complexity (AV:N/AC:L/PR:N/UI:N); a reachable assertion causes a crash, so A:H with no C/I impact.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
DescriptionCVE.org
Pexip Infinity 33.0 through 37.0 before 37.1 has improper input validation in signaling that allows an attacker to trigger a software abort, resulting in a denial of service.
Executive ViewAI
Pexip Infinity versions 33.0 through 37.0 are susceptible to an unauthenticated remote denial-of-service attack that can take the video conferencing service offline, disrupting critical meetings and collaboration across the organization. No public exploit identified at time of analysis and no vendor-released patch identified at time of analysis, leaving exposed deployments at risk of service outages. Leadership should prioritize immediate mitigations to protect business continuity and user productivity.
Restrict network access to the signaling interface to trusted IP addresses, enable detailed logging and alerting for service crashes, implement network segmentation, deploy intrusion prevention system (IPS) signatures to block crafted signaling packets, and consider temporarily disabling the signaling service if it is not essential for business operations.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
More in Pexip Infinity
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Pexip Infinity before 27.3 allows remote attackers to trigger a software abort, and possibly enumerate usernames, via On
Signalling in Pexip Infinity 29 through 36.2 before 37.0 has improper input validation that allows remote attackers to t
Pexip Infinity before 35.0 has improper input validation that allows remote attackers to trigger a denial of service (so
Remote unauthenticated attackers can trigger a software abort (denial of service) in Pexip Infinity media implementation
Missing authentication for a critical function in Pexip Infinity's product-internal API, present in all releases before
Unauthenticated remote attackers can forcibly disconnect RTMP streams that traverse a Proxy Node in Pexip Infinity 38.0
Unauthenticated network attackers can crash Pexip Infinity 35.0 through 37.2 by sending crafted input to its signalling
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB